Safety razor



M. mm3@ ESCHODLBAUER www SAFETY RAZOR Filed Feb. 5, 1954 INVENTOR l /LmATTORNEY Afm/1 M Patented Feb. 11, 1936 lUN-I TED STATES PATENT OFFIQESAFETY RAZOR Erwin Schodlbauer, New York, N. Y.

Application February 3, 1934, Serial No. 709,549

10 Claims.

,The present invention relates to safety razors andisanimprovement uponmy prior patent, No. l,848,666, although -some of the features of thepresentimprovement maybe embodied in other types Y of constructions.

-Safetyrazors usuallyare cleaned after each shave,4whichordinarilyrequires the removal of thezblade. `In many instances,the blade is removedandreplacedby -a new blade or is sharp-'enedgbeforeshaving .By reason of the frequent use oflthe` razors andtheremoval and replacementbf the-blade ,before or after each use, animprovementinthe attachment and removal of the blade orlintheassemblyand disassembly of the parts .is important as a convenience to the user..A .savingof time or of annoyance may mean the dierence betweensatisfaction and dissatisfaction. Since -millions of people from allwalks of life usesafety razors daily, it is essentialthat therazors besimple in construction and substantially fool-proof so that eachpersoncan readily remove and replace the Vblades `without difficulty,and so that the blades; are retained in accurate position, regardless ofthe care .used in inserting them. In my prior patent, provision was made`for quick and convenient removal of the blade, but thepresent inventionis a further improvement lin this respect.

Thepresentinventionaims to achieve the above results without increasingmaterially the cost of `the -construction and without complicating theconstruction or the manufacture of the parts.

:An objectof thepresent invention is to provide a safety .razor withparts which can be readily Ymanufactured at a low cost.

,Another object of the invention is to provide a safety razor .fromwhich the blades can be r.neadilyremoved .and replaced with a minimum`,of .time and effort.

.'Another .object of the invention is to provide an improvedsafety razorof the class described, .in which the xblade Aisheld accurately in.place ,without requiringany particular care on the part .o'f :the.userfin inserting the blade.

Another-.object ,of `the invention lis to `facilitate A.removal of theb'lade.

be in'dicated in the accompanying claims, and

various advantages not referred to herein will .occur to onefskilledinthe art upon employment .dflthe invention .in i practice.

A preferred embodiment of the invention has been chosen for purposes ofillustration and description and is shown in the accompanying drawing,forming a part of the specification, wherein Fig. l-is a frontelevational view of the razor with the blade clamping member raised topermit removal ofthe blade;

Fig. 2 is a top plan View of the razor with the clamping member swungback and with the blade removed;

Fig. 3 is adetailed perspective view of one end of the .clamping membershowing a modification thereof;

Fig. 4 is a fragmentary top plan view of a blade having one form ofslots therein;

Fig. 5 is a fragmentary top plan view of a \b1ade having another form ofslots therein; and

Fig. 6 is a fragmentary top plan view of a blade having a third form ofslots therein.

Referring more particularly to the drawing, there is shown a safetyrazor having a handle l and a blade holder 2 secured together in anysuitable manner, for example, as shown in my previous Patent No.1,848,666. The holder 2 may also be provided with a pair of projectionsl adapted to receive and retain the ends of a shaft 5, on which suitablerings 6 are loosely mounted to serve as a guard for the cutting edge ofthe blade, as described more particularly in my said prior patent.

The holding member 2 preferably has a flat surface l adapted to receiveand support a razor blade `8. The ends of the blade may abut against theupwardly extending projections l to prevent longitudinal movementthereof. Projections li extending from the projections lll serve toengage the end portions of the cutting edges of the blade to cooperatewith the projections l2 engaging the opposite edge of the blade to holdthe blade against forward or backward movement vwith respect to theguard members.

A lclamping bar i4 is adapted to clamp the blade 8 on the holding member2. Preferably, this bar is hinged to one end of the holding memberbymeans of a pin l extending through suitable apertures in the pair ofspaced extensions I6 on the holding member 2. The hinged end of theclamping member ll! isbent or rolled to extend `about the pin l5 to forma hinged connection. The other end of the clamping-member 'i ispreferably rolled in a similar manner to form a resilient projection lladapted to snap over and be secured to the other end of the holdingmember. The end of the holding member adapted to receive the free end ofthe clamping member is when the clamping member is locked on the holdingmember 2, the blade is held more securely in position.

The rolled end Il' of the clampingY member I4 provides a very effectiveprojection having suflicient resilience to snap over-the end of theholding member and, at the same time, having sufcient strength to holdit securely in position. The rolled portion also oifers a convenientmeans Vforengagement with the thumb or finger to raise the clampingmember and remove the blade.

By hinging the clamping barY I4 to the holding member 2, the parts ofthe razor need not be disassembled in order to remove or replace theblade... Another advantage is that the several parts are connected whilethe blade isV removed,

A and cannot accidentally fall apa-rt or become lost.

It may be desirable, in some cases, to provide a more convenient meansthan'the rolled end I'I for engaging and raising the clamping member I4.A slightly different construction is shown in Fig. 3 for this purpose,wherein the end ,of lthe clamping member is slotted, as shown at 2i), toform a tab or end part 22 and the two side portions are"roiled, asshown, to form projections 2l adapted to engage the end of the holdingmember in the same way as projection Il. In the construction shown inFig. 3, the outwardly extending end part 22 serves as a more convenientmeans for engaging and raising the clampingmember. If desired, the tipof the end part or tab 22 may be bent slightly upwardly to'facilitateengageing recesses or slots 23 formed inthe clamping member I-/iand'within recesses or slots 25 formed in the blade. The recesses may besubstantially rectangular, as shown in Fig. 4, but preferably theentrance portions are flared outwardly to facilitate entry of theprojections 24 therein.

' Preferably, the width of the recesses is such that the sides thereofwedge against the projections Eid to prevent anylon'gitudinal movementof the blades. ,Other forms of recesses are shown at 25a and Reb, inFigs. 5 and 6, respectively. In

Ythese figures, the entrance portion is flared outwardly slightly toform a converging neck portion 2. The bottom of the recesses below theneck is preferably or" a slightly greater width than 'the neck portion.The advantage of the neck portion 2i is that the unsupported metal ismore Due to limitaresilient or flexible than the wall portions of the`recesses 25 in Fig. 4, and allows for greater inaccuracies in themanufacture Yof the blades, without impairing the fit between therecesses and the projections 2d. The bottoms of the recesses may be ofany desired shape, for example, Y

star-shaped, as shown in Fig. 6, to improve the Y appearance or to serveas a trade-mark.

In removing and replacing the blade, the clamping member I4 is engagedVby its rolled endV II or bythe projection 22, as shown in Fig.'3, andthe end is raised upwardly about its opposite-hinged n end so that theblade is completely exposed and may be removed without diiculty. Ifdesired, the central portion of the blade holding member 2, intermediatethe projections 24, may be provided with a recess 2S so that the bladeextends,

has been placed in the holder, the'clamping mem'- er I4 is swung aboutits hinge and the free end clamped over the end of theholder to hold theblade in the` holder. The Vrazor is then ready to be used. from theholder to Vfacilitate manufacture of the parts butmay be integral withit, if desired. Y

It .will be seen that the present invention provides a simpleconstruction made from parts which can be readily manufactured. Theblade is securely held in position against movement in any direction andcan be removed and replaced in minimum time and with minimum ,eiortThepparts of the holder are completely exposed when the clamping memberis raised so that they may be readily reached for cleaning purposes.'Ihe guard rings cooperate with the cutting edge to prevent injuries tothe face and, in addition, to afford a massaging action which gives acleaner, smoother and more comfortable shave.

As various changes maybe made in the form, construction and arrangementof parts without departing from the spirit and scope of the inventionand without sacrificing its advantages, it is to be understood that allmatter herein is to be interpreted as illustrative and not in a limitingsense. Y

Having thus described my invention, I claim:

1. In a safety razor, the combination of a hold- `ing member, a clampingbar hinged at one end of said holding member for clamping a razor bladein operative position, the opposite end of said bar having a projectionadapted to snap over the other end of the holding member to hold thebarV in position, said other end ofthe holding member having a pair ofraised projections extending along the sides of said clamping bar, saidprojections having upwardlyand outwardly taperingY surfaces at the sidesthereof adapted to guide the sides of the free end of said clamping barinto its closed position. v l

2. In a safety razor, the combination of a supporting member made ofrelatively thin metal, one edge of said supporting member being bentupwardly to form an abutment for one edge of the razor blade,projections extendinginwardly from. said upwardly bent portion, a razorblade The handle is preferablyV detachable having a plurality ofrecesses in one edge thereof adapted to register with said projectionsto hold the razor blade accurately in position, and a clamping memberadapted to further secure said razor blade in position.

3. In a safety razor, the combination of a supporting member having anupwardly extending abutment at one side thereof, a razor blade seatedlon said member and adapted to fit against said abutment, a plurality ofloosely mounted rings mounted on said supporting member adjacent to thecutting edge of the blade, projections extending inwardly from saidabutment on said supporting member, said blade having recesses at theedge opposite to the cutting edge adapted to t and engage saidprojection to accurately position the blade on the supporting member,and a bar hinged to one end of said supporting member adapted to holdsaid blade in position.

4. In a safety razor, the combination of a holding member having asubstantially at surface adapted to support and hold a razor blade, apair of upwardly and outwardly extending portions on one end of saidmember having apertures therein, a pin extending through said apertures,a bar having one end rolled about said pin to hinge said end to theholding member, and tting between said portions, the other end of saidbar being `bent to engage and snap over the other end of said holdingmember, and a pair of upwardly and outwardly extending portions at saidother end of said holding member having tapered surfaces on the innersides thereof for guiding the free end (gf the bar into engagement withthe holding mem- 5. In a safety razor, the combination of a supportingmember adapted to receive a single edge razor blade, said supportingmember having portions at one edge bent upwardly to form an abutment forthe edge of the blade opposite to the razor edge and projectionsextending inwardly from said upwardly bent portions, a single edge razorblade having a plurality of slots on the edge opposite to the razoredge, said projections being adapted to fit into said slots to hold saidblade accurately in position, and an elongated clamping bar hinged atone end thereof to said holding member and having a projection at theopposite end thereof snapped into engagement with said holding member tohold the blade in position.

6. In a safety razor, the combination of a blade supporting member, oneedge of said supporting member having an upwardly extending portion toform an abutment for one edge of a razor blade, projections extendinginwardly from said upwardly extending portion, and a blade clamping barhinged at one end thereof to said blade supporting member and having aprojection at the opposite end adapted to be snapped over a portion ofsaid supporting member, said bar having a plurality of recesses at oneside between the respective ends thereof adapted to register with saidprojections to hold said bar accurately in position.

7. In a safety razor, the combination of a holding member, a projectionformed at one edge of said holding member, a razor blade having a recessin one edge thereof adapted to register with said projection, aconverging neck portion at each side of said recess formed substantiallyat the edge of the blade providing an entrance portion of reduced widthfor the recess, said converging neck portions being adapted to wedgeagainst and engage the projection at opposite sides thereof to hold theblade accurately in position, and a clamping member extending across thetop of the blade for holding said blade on said holding member.

8. In a safety razor, the combination of a blade holding member having apair o-f upwardly extending portions at one side thereof to formabutments for one edge of the blade, a projection extending inwardlyfrom each of said upwardly extending portions, said blade holding memberhaving a recess therein between said projections to facilitate removalof the blade, a razor blade having recesses in one edge thereof adaptedto register with said projections to hold the razor blade in accurateposition with respect to said blade holding member, and means forclamping said blade on said holding member.

9. In a safety razor, the combination of a blade holding member having apair of upwardly bent edge portions at one side thereof to formabutm-ents for one edge of the blade, a projection extending inwardlyfrom each of said upwardly bent portions, said holding member having arecess between said projections to facilitate removal of the blade, arazor blade having recesses in one edge thereof adapted to register withsaid projections to hold the razor blade in accurate position withrespect to said blade holding member, and means for clamping said bladeon said blade holding member, said clamping means having recessestherein adapted to register with said projections.

10. In a safety razor, the combination of a blade holding member havinga substantially rectangular blade receiving cavity, upwardly extendingrectangular portions at the four corners of said blade receiving cavityadapted to engage the corners of a blade and hold the blade in position,projections at one side of said blade receiving cavity extendingtransversely inwardly with respect to said cavity, a razor blade havingrecesses adapted to register with said projections to accuratelyposition said blade, and means for clamping said blade on said holdingmember.

ERW'IN SCHODLBAUER.

